Okay kiddo, let me explain what an/anle-55 fiber-optic towed decoy is in a way that you can understand.
So imagine you're playing hide and seek with your friends, but instead of hiding yourself, you have a toy that looks like you and you send it off in one direction while you go hide somewhere else. That's kind of what a decoy is. It's a toy that looks like something else that you use to distract the bad guys.
Now, the an/ale-55 fiber-optic towed decoy is a very special kind of decoy that the military uses when they're flying planes. It's like a long rope with a toy on the end. They attach it to the back of their plane and when they're flying, the decoy floats behind them, bouncing up and down like it's alive.
The reason they do this is because some bad guys have special weapons that can track planes and shoot them down. But if they see the decoy bouncing around behind the plane, they might think it's the real plane and shoot at that instead. That gives the real plane a chance to get away safely.
Now, the "fiber-optic" part of the decoy's name just means that it sends out special signals that make it even more believable that it's a real plane. It's kind of like if you're playing hide and seek and you send out a toy that can talk and move on its own, making it even more convincing that it's really you.
So there you have it, kiddo. The an/ale-55 fiber-optic towed decoy is basically like a toy that the military uses to trick bad guys into shooting at the wrong thing. Pretty cool, huh?